Prevalence of Instrumental Activities of Daily Living Difficulties and Associated Cognitive Predictors Across Racial/Ethnic Groups: Findings From the KHANDLE Study.
Executive function
Functional abilities
Memory
Journal
The journals of gerontology. Series B, Psychological sciences and social sciences
ISSN: 1758-5368
Titre abrégé: J Gerontol B Psychol Sci Soc Sci
Pays: United States
ID NLM: 9508483
Informations de publication
Date de publication:
05 05 2022
05 05 2022
Historique:
received:
19
02
2021
pubmed:
7
9
2021
medline:
10
5
2022
entrez:
6
9
2021
Statut:
ppublish
Résumé
Cognitive functioning is associated with instrumental activity of daily living (IADL) performance among older adults. The present study examines potential differences in the prevalence of IADL difficulty and association with cognition across diverse groups. Participants included 455 non-Hispanic Whites, 395 Blacks, 370 Asians, and 296 Latinos aged 65 years and older without a current dementia diagnosis from the Kaiser Healthy Aging and Diverse Life Experience cohort. Participants' self-reported IADL functioning and cognition was measured across episodic memory and executive functioning. Older age, male gender, and being Black were associated with more IADL difficulties. Executive functioning showed a stronger association with IADLs than memory, and it was independent of health status, whereas memory was not. In joint models including both cognitive domains, executive functioning remained a significant predictor of IADL difficulty, but memory did not. Results for both cognitive domains were attenuated with self-rated health added to the joint model. These relationships did not significantly differ across racial/ethnic groups. Our study supports previous work suggesting that Black older adults are at increased risk for IADL disability. This is the first study we are aware of that examined the association between specific cognitive domains and IADL performance across multiple racial/ethnic groups. Findings indicate that cognitive functioning has similar associations with self-reported IADL disability across diverse groups, and that executive functioning plays a particularly important role in IADL disability among older adults without dementia; however, health status largely attenuates the relationship between IADL difficulty and cognition.
Identifiants
pubmed: 34486659
pii: 6364514
doi: 10.1093/geronb/gbab163
pmc: PMC9071392
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
885-894Subventions
Organisme : Alzheimer's Association
ID : AARGD-19-619832
Pays : United States
Organisme : NIA NIH HHS
ID : K01 AG052646
Pays : United States
Organisme : NIA NIH HHS
ID : RF1AG052132
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG052132
Pays : United States
Organisme : NIA NIH HHS
ID : P30 AG072972
Pays : United States
Informations de copyright
© The Author(s) 2021. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
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